1250265403 has 2 divisors, whose sum is σ = 1250265404. Its totient is φ = 1250265402.

The previous prime is 1250265347. The next prime is 1250265421. The reversal of 1250265403 is 3045620521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1250265403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1250215403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625132701 + 625132702.

It is an arithmetic number, because the mean of its divisors is an integer number (625132702).

Almost surely, 2^1250265403 is an apocalyptic number.

1250265403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250265403 is an equidigital number, since it uses as much as digits as its factorization.

1250265403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1250265403 is about 35359.0922253386. The cubic root of 1250265403 is about 1077.2935787448.

Adding to 1250265403 its reverse (3045620521), we get a palindrome (4295885924).

The spelling of 1250265403 in words is "one billion, two hundred fifty million, two hundred sixty-five thousand, four hundred three".